CES 2017: The wildest, wackiest and weirdest tech

Withings Kerastase Hair Coach

Who really needs a smarter hairbrush? The Kerastase Hair Coach from Withings is interesting, but seems unnecessary. Anyone who blows out their hair already has a favorite hairbrush anyway.

Image: Teena Maddox/TechRepublic

By Teena Maddox

Teena Maddox is a Senior Editor at TechRepublic, covering hardware devices, IoT, smart cities and wearables. She ties together the style and substance of tech. Teena has spent 20-plus years writing business and features for publications including Peo...